

 function User() {}
    User.prototype.show = function() {
      console.log("user.name");
    };
    User.prototype.site = function() {
      return "后盾人";
    };
    function Admin() {}
    Admin.prototype = Object.create(User.prototype);
    Admin.prototype.constructor = Admin;
    Admin.prototype.show = function() {
        // Uncaught SyntaxError: 'super' keyword unexpected here
        // console.log(super.show())
    	// console.log(super, super ===User.prototype)
    	// var superShow =super.show()
      console.log(User.prototype.site() + " admin.show ");
    };
    let hd = new Admin();
    hd.show();

